From 124c7d9b907790bde68475af77ff2e2a1fd7815a Mon Sep 17 00:00:00 2001
From: Huzail <huzailkhan03@gmail.com>
Date: Sat, 5 Oct 2024 21:36:21 +0530
Subject: [PATCH 01/18] Added class-agnostic

---
 supervision/metrics/mean_average_precision.py | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/supervision/metrics/mean_average_precision.py b/supervision/metrics/mean_average_precision.py
index 04a5fe9d..56fd3967 100644
--- a/supervision/metrics/mean_average_precision.py
+++ b/supervision/metrics/mean_average_precision.py
@@ -75,6 +75,13 @@ class MeanAveragePrecision(Metric):
                 f"The number of predictions ({len(predictions)}) and"
                 f" targets ({len(targets)}) during the update must be the same."
             )
+        # class-agnostic
+        if self._class_agnostic:
+            # Set all class_ids to 0 to ignore class distinction
+            for prediction in predictions:
+                prediction.class_id[:] = 0
+            for target in targets:
+                target.class_id[:] = 0
 
         self._predictions_list.extend(predictions)
         self._targets_list.extend(targets)
@@ -239,13 +246,18 @@ class MeanAveragePrecision(Metric):
         target_classes: np.ndarray,
         iou: np.ndarray,
         iou_thresholds: np.ndarray,
+        class_agnostic: bool,
     ) -> np.ndarray:
         num_predictions, num_iou_levels = (
             predictions_classes.shape[0],
             iou_thresholds.shape[0],
         )
         correct = np.zeros((num_predictions, num_iou_levels), dtype=bool)
-        correct_class = target_classes[:, None] == predictions_classes
+
+        if class_agnostic:
+            correct_class = np.ones_like(iou, dtype=bool)  # Treat all as the same class
+        else:
+            correct_class = target_classes[:, None] == predictions_classes
 
         for i, iou_level in enumerate(iou_thresholds):
             matched_indices = np.where((iou >= iou_level) & correct_class)

From 6d30eef4a96f9a3dd3513097d9dd3800141774ba Mon Sep 17 00:00:00 2001
From: Huzail <huzailkhan03@gmail.com>
Date: Sun, 6 Oct 2024 01:37:48 +0530
Subject: [PATCH 02/18] Added _match_detection_batch_class_agnostic

---
 supervision/metrics/mean_average_precision.py | 43 +++++++++++++++----
 1 file changed, 35 insertions(+), 8 deletions(-)

diff --git a/supervision/metrics/mean_average_precision.py b/supervision/metrics/mean_average_precision.py
index 56fd3967..11fbef5a 100644
--- a/supervision/metrics/mean_average_precision.py
+++ b/supervision/metrics/mean_average_precision.py
@@ -184,9 +184,14 @@ class MeanAveragePrecision(Metric):
                             "Unsupported metric target for IoU calculation"
                         )
 
-                    matches = self._match_detection_batch(
-                        predictions.class_id, targets.class_id, iou, iou_thresholds
-                    )
+                    # Match detections: if class_agnostic is set, skip class matching
+                    if self._class_agnostic:
+                        matches = self._match_detection_batch_class_agnostic(iou, iou_thresholds)
+                    else:
+                        matches = self._match_detection_batch(
+                            predictions.class_id, targets.class_id, iou, iou_thresholds
+                        )
+
                     stats.append(
                         (
                             matches,
@@ -246,7 +251,6 @@ class MeanAveragePrecision(Metric):
         target_classes: np.ndarray,
         iou: np.ndarray,
         iou_thresholds: np.ndarray,
-        class_agnostic: bool,
     ) -> np.ndarray:
         num_predictions, num_iou_levels = (
             predictions_classes.shape[0],
@@ -254,10 +258,8 @@ class MeanAveragePrecision(Metric):
         )
         correct = np.zeros((num_predictions, num_iou_levels), dtype=bool)
 
-        if class_agnostic:
-            correct_class = np.ones_like(iou, dtype=bool)  # Treat all as the same class
-        else:
-            correct_class = target_classes[:, None] == predictions_classes
+        
+        correct_class = target_classes[:, None] == predictions_classes
 
         for i, iou_level in enumerate(iou_thresholds):
             matched_indices = np.where((iou >= iou_level) & correct_class)
@@ -275,7 +277,32 @@ class MeanAveragePrecision(Metric):
                 correct[matches[:, 1].astype(int), i] = True
 
         return correct
+    @staticmethod
+    def _match_detection_batch_class_agnostic(
+        iou: np.ndarray,
+        iou_thresholds: np.ndarray,
+    ) -> np.ndarray:
+        """
+        Match detections for class-agnostic case, ignoring the class labels.
+        """
+        num_predictions, num_iou_levels = iou.shape[0], iou_thresholds.shape[0]
+        correct = np.zeros((num_predictions, num_iou_levels), dtype=bool)
 
+        for i, iou_level in enumerate(iou_thresholds):
+            matched_indices = np.where(iou >= iou_level)
+            if matched_indices[0].shape[0]:
+                combined_indices = np.stack(matched_indices, axis=1)
+                iou_values = iou[matched_indices][:, None]
+                matches = np.hstack([combined_indices, iou_values])
+
+                if matched_indices[0].shape[0] > 1:
+                    matches = matches[matches[:, 2].argsort()[::-1]]
+                    matches = matches[np.unique(matches[:, 1], return_index=True)[1]]
+                    matches = matches[np.unique(matches[:, 0], return_index=True)[1]]
+
+                correct[matches[:, 1].astype(int), i] = True
+
+        return correct
     @staticmethod
     def _average_precisions_per_class(
         matches: np.ndarray,

From e0db07a80fa6cfbbade4d572334766880ce42f8b Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Sat, 5 Oct 2024 21:14:39 +0000
Subject: [PATCH 03/18] =?UTF-8?q?fix(pre=5Fcommit):=20=F0=9F=8E=A8=20auto?=
 =?UTF-8?q?=20format=20pre-commit=20hooks?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 supervision/metrics/mean_average_precision.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/supervision/metrics/mean_average_precision.py b/supervision/metrics/mean_average_precision.py
index 11fbef5a..ff2d9e8e 100644
--- a/supervision/metrics/mean_average_precision.py
+++ b/supervision/metrics/mean_average_precision.py
@@ -186,7 +186,9 @@ class MeanAveragePrecision(Metric):
 
                     # Match detections: if class_agnostic is set, skip class matching
                     if self._class_agnostic:
-                        matches = self._match_detection_batch_class_agnostic(iou, iou_thresholds)
+                        matches = self._match_detection_batch_class_agnostic(
+                            iou, iou_thresholds
+                        )
                     else:
                         matches = self._match_detection_batch(
                             predictions.class_id, targets.class_id, iou, iou_thresholds
@@ -258,7 +260,6 @@ class MeanAveragePrecision(Metric):
         )
         correct = np.zeros((num_predictions, num_iou_levels), dtype=bool)
 
-        
         correct_class = target_classes[:, None] == predictions_classes
 
         for i, iou_level in enumerate(iou_thresholds):
@@ -277,6 +278,7 @@ class MeanAveragePrecision(Metric):
                 correct[matches[:, 1].astype(int), i] = True
 
         return correct
+
     @staticmethod
     def _match_detection_batch_class_agnostic(
         iou: np.ndarray,
@@ -303,6 +305,7 @@ class MeanAveragePrecision(Metric):
                 correct[matches[:, 1].astype(int), i] = True
 
         return correct
+
     @staticmethod
     def _average_precisions_per_class(
         matches: np.ndarray,

From baffd983144ccd74a60c16ce96166d83ab21d4e2 Mon Sep 17 00:00:00 2001
From: Ahmad Huzail Khan <104365728+AHuzail@users.noreply.github.com>
Date: Wed, 9 Oct 2024 18:54:31 +0000
Subject: [PATCH 04/18] 	removed comments

---
 supervision/metrics/mean_average_precision.py | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/supervision/metrics/mean_average_precision.py b/supervision/metrics/mean_average_precision.py
index d672344b..7b7dd93c 100644
--- a/supervision/metrics/mean_average_precision.py
+++ b/supervision/metrics/mean_average_precision.py
@@ -75,9 +75,8 @@ class MeanAveragePrecision(Metric):
                 f"The number of predictions ({len(predictions)}) and"
                 f" targets ({len(targets)}) during the update must be the same."
             )
-        # class-agnostic
+        
         if self._class_agnostic:
-            # Set all class_ids to 0 to ignore class distinction
             for prediction in predictions:
                 prediction.class_id[:] = 0
             for target in targets:
@@ -184,7 +183,7 @@ class MeanAveragePrecision(Metric):
                             "Unsupported metric target for IoU calculation"
                         )
 
-                    # Match detections: if class_agnostic is set, skip class matching
+
                     if self._class_agnostic:
                         matches = self._match_detection_batch_class_agnostic(
                             iou, iou_thresholds

From 12c6b873e3ef641cb67c67ff6cbd2691ac6a1cb2 Mon Sep 17 00:00:00 2001
From: Ahmad Huzail Khan <104365728+AHuzail@users.noreply.github.com>
Date: Wed, 9 Oct 2024 19:01:40 +0000
Subject: [PATCH 05/18] 	modified:  
 supervision/metrics/mean_average_precision.py

---
 supervision/metrics/mean_average_precision.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/supervision/metrics/mean_average_precision.py b/supervision/metrics/mean_average_precision.py
index 7b7dd93c..9aa06935 100644
--- a/supervision/metrics/mean_average_precision.py
+++ b/supervision/metrics/mean_average_precision.py
@@ -78,9 +78,9 @@ class MeanAveragePrecision(Metric):
         
         if self._class_agnostic:
             for prediction in predictions:
-                prediction.class_id[:] = 0
+                prediction.class_id[:] = -1
             for target in targets:
-                target.class_id[:] = 0
+                target.class_id[:] = -1
 
         self._predictions_list.extend(predictions)
         self._targets_list.extend(targets)

From e433527942c624b1556c0a0f46190eea9fae22b5 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Wed, 9 Oct 2024 19:04:45 +0000
Subject: [PATCH 06/18] =?UTF-8?q?fix(pre=5Fcommit):=20=F0=9F=8E=A8=20auto?=
 =?UTF-8?q?=20format=20pre-commit=20hooks?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 supervision/metrics/mean_average_precision.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/supervision/metrics/mean_average_precision.py b/supervision/metrics/mean_average_precision.py
index 9aa06935..ef8f4c74 100644
--- a/supervision/metrics/mean_average_precision.py
+++ b/supervision/metrics/mean_average_precision.py
@@ -75,7 +75,7 @@ class MeanAveragePrecision(Metric):
                 f"The number of predictions ({len(predictions)}) and"
                 f" targets ({len(targets)}) during the update must be the same."
             )
-        
+
         if self._class_agnostic:
             for prediction in predictions:
                 prediction.class_id[:] = -1
@@ -183,7 +183,6 @@ class MeanAveragePrecision(Metric):
                             "Unsupported metric target for IoU calculation"
                         )
 
-
                     if self._class_agnostic:
                         matches = self._match_detection_batch_class_agnostic(
                             iou, iou_thresholds

From 16a4491b596786c603556fa055244b366b243486 Mon Sep 17 00:00:00 2001
From: Ahmad Huzail Khan <104365728+AHuzail@users.noreply.github.com>
Date: Wed, 9 Oct 2024 19:29:41 +0000
Subject: [PATCH 07/18]  modified class MeanAveragePrecisionResult for
 class_agnostic

---
 supervision/metrics/mean_average_precision.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/supervision/metrics/mean_average_precision.py b/supervision/metrics/mean_average_precision.py
index 9aa06935..b02a2742 100644
--- a/supervision/metrics/mean_average_precision.py
+++ b/supervision/metrics/mean_average_precision.py
@@ -424,6 +424,7 @@ class MeanAveragePrecisionResult:
     Attributes:
         metric_target (MetricTarget): the type of data used for the metric -
             boxes, masks or oriented bounding boxes.
+        class_agnostic: When computing class-agnostic results, class ID is set to `-1`.
         mAP_map50_95 (float): the mAP score at IoU thresholds from `0.5` to `0.95`.
         mAP_map50 (float): the mAP score at IoU threshold of `0.5`.
         mAP_map75 (float): the mAP score at IoU threshold of `0.75`.
@@ -443,6 +444,7 @@ class MeanAveragePrecisionResult:
     """
 
     metric_target: MetricTarget
+    is_class_agnostic: bool
 
     @property
     def map50_95(self) -> float:
@@ -477,6 +479,7 @@ class MeanAveragePrecisionResult:
         out_str = (
             f"{self.__class__.__name__}:\n"
             f"Metric target: {self.metric_target}\n"
+            f"Class-agnostic: {self.is_class_agnostic}\n"
             f"mAP @ 50:95: {self.map50_95:.4f}\n"
             f"mAP @ 50:    {self.map50:.4f}\n"
             f"mAP @ 75:    {self.map75:.4f}\n"

From 62a3cfe480f749c27affbaace1f6463f10ace180 Mon Sep 17 00:00:00 2001
From: Ahmad Huzail Khan <104365728+AHuzail@users.noreply.github.com>
Date: Wed, 9 Oct 2024 19:33:56 +0000
Subject: [PATCH 08/18] 	modified:  
 supervision/metrics/mean_average_precision.py

---
 supervision/metrics/mean_average_precision.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/supervision/metrics/mean_average_precision.py b/supervision/metrics/mean_average_precision.py
index ec9d0fd4..b496ffaa 100644
--- a/supervision/metrics/mean_average_precision.py
+++ b/supervision/metrics/mean_average_precision.py
@@ -478,7 +478,7 @@ class MeanAveragePrecisionResult:
         out_str = (
             f"{self.__class__.__name__}:\n"
             f"Metric target: {self.metric_target}\n"
-            f"Class-agnostic: {self.is_class_agnostic}\n"
+            f"Class agnostic: {self.is_class_agnostic}\n"
             f"mAP @ 50:95: {self.map50_95:.4f}\n"
             f"mAP @ 50:    {self.map50:.4f}\n"
             f"mAP @ 75:    {self.map75:.4f}\n"

From 0f42a87ee8d55370c52d0709da6d484d24b47107 Mon Sep 17 00:00:00 2001
From: Ahmad Huzail Khan <104365728+AHuzail@users.noreply.github.com>
Date: Wed, 9 Oct 2024 19:44:50 +0000
Subject: [PATCH 09/18] 	modified:  
 supervision/metrics/mean_average_precision.py

---
 supervision/metrics/mean_average_precision.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/supervision/metrics/mean_average_precision.py b/supervision/metrics/mean_average_precision.py
index b496ffaa..3d3f10f4 100644
--- a/supervision/metrics/mean_average_precision.py
+++ b/supervision/metrics/mean_average_precision.py
@@ -215,6 +215,7 @@ class MeanAveragePrecision(Metric):
 
         return MeanAveragePrecisionResult(
             metric_target=self._metric_target,
+            is_class_agnostic= self._class_agnostic,
             mAP_scores=mAP_scores,
             iou_thresholds=iou_thresholds,
             matched_classes=unique_classes,
@@ -443,7 +444,7 @@ class MeanAveragePrecisionResult:
     """
 
     metric_target: MetricTarget
-    is_class_agnostic: bool
+    is_class_agnostic: 
 
     @property
     def map50_95(self) -> float:

From 201a186539528b712b78e572deda7ed0ec7e3588 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Wed, 9 Oct 2024 19:45:22 +0000
Subject: [PATCH 10/18] =?UTF-8?q?fix(pre=5Fcommit):=20=F0=9F=8E=A8=20auto?=
 =?UTF-8?q?=20format=20pre-commit=20hooks?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 supervision/metrics/mean_average_precision.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/supervision/metrics/mean_average_precision.py b/supervision/metrics/mean_average_precision.py
index 3d3f10f4..3c7ae7ae 100644
--- a/supervision/metrics/mean_average_precision.py
+++ b/supervision/metrics/mean_average_precision.py
@@ -444,7 +444,7 @@ class MeanAveragePrecisionResult:
     """
 
     metric_target: MetricTarget
-    is_class_agnostic: 
+    is_class_agnostic:
 
     @property
     def map50_95(self) -> float:

From 53b26d0c05edadb6db80c1e7f97fde131bc1544c Mon Sep 17 00:00:00 2001
From: Ahmad Huzail Khan <104365728+AHuzail@users.noreply.github.com>
Date: Wed, 9 Oct 2024 19:48:05 +0000
Subject: [PATCH 11/18] 	modified:  
 supervision/metrics/mean_average_precision.py

---
 supervision/metrics/mean_average_precision.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/supervision/metrics/mean_average_precision.py b/supervision/metrics/mean_average_precision.py
index 3d3f10f4..05885784 100644
--- a/supervision/metrics/mean_average_precision.py
+++ b/supervision/metrics/mean_average_precision.py
@@ -444,7 +444,7 @@ class MeanAveragePrecisionResult:
     """
 
     metric_target: MetricTarget
-    is_class_agnostic: 
+    is_class_agnostic: bool
 
     @property
     def map50_95(self) -> float:

From 75b6384a9aacaf0a90a942bc9db6cf76d02eebfd Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Wed, 9 Oct 2024 19:52:56 +0000
Subject: [PATCH 12/18] =?UTF-8?q?fix(pre=5Fcommit):=20=F0=9F=8E=A8=20auto?=
 =?UTF-8?q?=20format=20pre-commit=20hooks?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 supervision/metrics/mean_average_precision.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/supervision/metrics/mean_average_precision.py b/supervision/metrics/mean_average_precision.py
index aeff48b3..c5338a6d 100644
--- a/supervision/metrics/mean_average_precision.py
+++ b/supervision/metrics/mean_average_precision.py
@@ -215,7 +215,7 @@ class MeanAveragePrecision(Metric):
 
         return MeanAveragePrecisionResult(
             metric_target=self._metric_target,
-            is_class_agnostic= self._class_agnostic,
+            is_class_agnostic=self._class_agnostic,
             mAP_scores=mAP_scores,
             iou_thresholds=iou_thresholds,
             matched_classes=unique_classes,
@@ -443,7 +443,6 @@ class MeanAveragePrecisionResult:
             for large objects.
     """
 
-
     metric_target: MetricTarget
     is_class_agnostic: bool
 

From f1e32e7c079d17b9444863983b24f8bdbe01afdf Mon Sep 17 00:00:00 2001
From: Ahmad Huzail Khan <104365728+AHuzail@users.noreply.github.com>
Date: Wed, 9 Oct 2024 20:16:25 +0000
Subject: [PATCH 13/18] Added deepcopy

---
 supervision/metrics/mean_average_precision.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/supervision/metrics/mean_average_precision.py b/supervision/metrics/mean_average_precision.py
index c5338a6d..b05d6009 100644
--- a/supervision/metrics/mean_average_precision.py
+++ b/supervision/metrics/mean_average_precision.py
@@ -77,6 +77,9 @@ class MeanAveragePrecision(Metric):
             )
 
         if self._class_agnostic:
+            predictions = deepcopy(predictions)
+            targets = deepcopy(targets)
+
             for prediction in predictions:
                 prediction.class_id[:] = -1
             for target in targets:

From 5fc7c3aa53727dd4310330e7b80fcb9a12348d54 Mon Sep 17 00:00:00 2001
From: Ahmad Huzail Khan <104365728+AHuzail@users.noreply.github.com>
Date: Wed, 9 Oct 2024 20:19:26 +0000
Subject: [PATCH 14/18] only using _match_detection_batch

---
 supervision/metrics/mean_average_precision.py | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/supervision/metrics/mean_average_precision.py b/supervision/metrics/mean_average_precision.py
index b05d6009..4e3aa26c 100644
--- a/supervision/metrics/mean_average_precision.py
+++ b/supervision/metrics/mean_average_precision.py
@@ -186,14 +186,11 @@ class MeanAveragePrecision(Metric):
                             "Unsupported metric target for IoU calculation"
                         )
 
-                    if self._class_agnostic:
-                        matches = self._match_detection_batch_class_agnostic(
-                            iou, iou_thresholds
-                        )
-                    else:
-                        matches = self._match_detection_batch(
-                            predictions.class_id, targets.class_id, iou, iou_thresholds
-                        )
+                    
+                    
+                    matches = self._match_detection_batch(
+                        predictions.class_id, targets.class_id, iou, iou_thresholds
+                    )
 
                     stats.append(
                         (

From 9659f7b2ebd161c308cd33957f84c3a21cb3dfe2 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Wed, 9 Oct 2024 20:21:00 +0000
Subject: [PATCH 15/18] =?UTF-8?q?fix(pre=5Fcommit):=20=F0=9F=8E=A8=20auto?=
 =?UTF-8?q?=20format=20pre-commit=20hooks?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 supervision/metrics/mean_average_precision.py | 2 --
 1 file changed, 2 deletions(-)

diff --git a/supervision/metrics/mean_average_precision.py b/supervision/metrics/mean_average_precision.py
index 4e3aa26c..ff606298 100644
--- a/supervision/metrics/mean_average_precision.py
+++ b/supervision/metrics/mean_average_precision.py
@@ -186,8 +186,6 @@ class MeanAveragePrecision(Metric):
                             "Unsupported metric target for IoU calculation"
                         )
 
-                    
-                    
                     matches = self._match_detection_batch(
                         predictions.class_id, targets.class_id, iou, iou_thresholds
                     )

From 05b17c483af5eab63ee46d73c4c3554f9e13247f Mon Sep 17 00:00:00 2001
From: Ahmad Huzail Khan <104365728+AHuzail@users.noreply.github.com>
Date: Wed, 9 Oct 2024 20:25:10 +0000
Subject: [PATCH 16/18] Deleted _match_detection_batch_class_agnostic

---
 supervision/metrics/mean_average_precision.py | 27 -------------------
 1 file changed, 27 deletions(-)

diff --git a/supervision/metrics/mean_average_precision.py b/supervision/metrics/mean_average_precision.py
index ff606298..ed556719 100644
--- a/supervision/metrics/mean_average_precision.py
+++ b/supervision/metrics/mean_average_precision.py
@@ -276,33 +276,6 @@ class MeanAveragePrecision(Metric):
 
         return correct
 
-    @staticmethod
-    def _match_detection_batch_class_agnostic(
-        iou: np.ndarray,
-        iou_thresholds: np.ndarray,
-    ) -> np.ndarray:
-        """
-        Match detections for class-agnostic case, ignoring the class labels.
-        """
-        num_predictions, num_iou_levels = iou.shape[0], iou_thresholds.shape[0]
-        correct = np.zeros((num_predictions, num_iou_levels), dtype=bool)
-
-        for i, iou_level in enumerate(iou_thresholds):
-            matched_indices = np.where(iou >= iou_level)
-            if matched_indices[0].shape[0]:
-                combined_indices = np.stack(matched_indices, axis=1)
-                iou_values = iou[matched_indices][:, None]
-                matches = np.hstack([combined_indices, iou_values])
-
-                if matched_indices[0].shape[0] > 1:
-                    matches = matches[matches[:, 2].argsort()[::-1]]
-                    matches = matches[np.unique(matches[:, 1], return_index=True)[1]]
-                    matches = matches[np.unique(matches[:, 0], return_index=True)[1]]
-
-                correct[matches[:, 1].astype(int), i] = True
-
-        return correct
-
     @staticmethod
     def _average_precisions_per_class(
         matches: np.ndarray,

From 2530c41ffa9de5b62e39ffabe66410191ce02dd2 Mon Sep 17 00:00:00 2001
From: LinasKo <linkondrackis@gmail.com>
Date: Thu, 10 Oct 2024 13:00:07 +0300
Subject: [PATCH 17/18] docs: fix datatype of class_agnostic in
 MeanAveragePrecisionResult

---
 supervision/metrics/mean_average_precision.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/supervision/metrics/mean_average_precision.py b/supervision/metrics/mean_average_precision.py
index ed556719..dbd60b2e 100644
--- a/supervision/metrics/mean_average_precision.py
+++ b/supervision/metrics/mean_average_precision.py
@@ -395,7 +395,8 @@ class MeanAveragePrecisionResult:
     Attributes:
         metric_target (MetricTarget): the type of data used for the metric -
             boxes, masks or oriented bounding boxes.
-        class_agnostic: When computing class-agnostic results, class ID is set to `-1`.
+        class_agnostic (bool): When computing class-agnostic results, class ID
+            is set to `-1`.
         mAP_map50_95 (float): the mAP score at IoU thresholds from `0.5` to `0.95`.
         mAP_map50 (float): the mAP score at IoU threshold of `0.5`.
         mAP_map75 (float): the mAP score at IoU threshold of `0.75`.

From c5dfb47d5c94714e16bd688226cafaab64d7c8f0 Mon Sep 17 00:00:00 2001
From: LinasKo <linkondrackis@gmail.com>
Date: Thu, 10 Oct 2024 13:02:07 +0300
Subject: [PATCH 18/18] Remove old unused code: CLASS_ID_NONE

---
 supervision/metrics/__init__.py | 1 -
 supervision/metrics/core.py     | 3 ---
 2 files changed, 4 deletions(-)

diff --git a/supervision/metrics/__init__.py b/supervision/metrics/__init__.py
index 17a6cd48..8ae33e63 100644
--- a/supervision/metrics/__init__.py
+++ b/supervision/metrics/__init__.py
@@ -1,5 +1,4 @@
 from supervision.metrics.core import (
-    CLASS_ID_NONE,
     AveragingMethod,
     Metric,
     MetricTarget,
diff --git a/supervision/metrics/core.py b/supervision/metrics/core.py
index 1440fd43..d1818441 100644
--- a/supervision/metrics/core.py
+++ b/supervision/metrics/core.py
@@ -4,9 +4,6 @@ from abc import ABC, abstractmethod
 from enum import Enum
 from typing import Any
 
-CLASS_ID_NONE = -1
-"""Used by metrics module as class ID, when none is present"""
-
 
 class Metric(ABC):
     """